1011330121121 has 8 divisors (see below), whose sum is σ = 1018061222400. Its totient is φ = 1004599461600.

The previous prime is 1011330121103. The next prime is 1011330121133. The reversal of 1011330121121 is 1211210331101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011330121121 is a prime.

It is a super-2 number, since 2×1011330121121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1011330121121.

It is not an unprimeable number, because it can be changed into a prime (1011330121181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5391965 + ... + 5576373.

It is an arithmetic number, because the mean of its divisors is an integer number (127257652800).

Almost surely, 2^{1011330121121} is an apocalyptic number.

It is an amenable number.

1011330121121 is a deficient number, since it is larger than the sum of its proper divisors (6731101279).

1011330121121 is a wasteful number, since it uses less digits than its factorization.

1011330121121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220879.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1011330121121 its reverse (1211210331101), we get a palindrome (2222540452222).

The spelling of 1011330121121 in words is "one trillion, eleven billion, three hundred thirty million, one hundred twenty-one thousand, one hundred twenty-one".